2898 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Pigmentations - Hypopigmentation ... and Hyperpigmentation ... HYPERPIGMENTATION ... Congenital melanocytic nevi ... Diagnosis #Algorithm #causes
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... Congenital melanocytic nevi ... Post-Inflammatory hyperpigmentation ... #Hyperpigmentation ... Diagnosis #Algorithm #causes
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Hormone induced • Hyperpigmentation ... erythema • Spider Nevi ... Diagnosis #Algorithm #causes
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
intralobular bile ducts causes ... Examination: • Skin hyperpigmentation ... Hepatosplenomegaly • Spider nevi
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... - Generalized hypopigmentation ... Post-inflammatory hypopigmentation ... #Hypopigmentation ... Diagnosis #Algorithm #causes
Benign and Malignant Nevi

Benign Nevus 
The benign nevus, or common mole, usually appears in the first
and Malignant Nevi ... Several nevi may ... those of atypical nevi ... Atypical nevi are ... Look for atypical nevi
Cutaneous signs of Addison's disease may be a useful clue. Hyperpigmentation especially involves sun-exposed areas and
Hyperpigmentation ... often have patchy hyperpigmentation ... flexural on oral hyperpigmentation
Drugs Causing Acute Pancreatitis

Class Ia: The medications in which there was a rechallenge and other causes
rechallenge and other causes ... out other common causes ... Class II: Cases ... and atleast4 case ... #Pancreatitis #Causes
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
: Most Common Cause ... Adrenalitis Other causes ... pain (10-40%), hyperpigmentation ... Hyperpigmentation ... Causes of Secondary
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
Generalized Hyperpigmentation